19-letter words containing i, t, o
- altazimuth mounting — a telescope mounting that allows motion of the telescope about a vertical axis (in azimuth) and a horizontal axis (in altitude)
- alternating voltage — a voltage that reverses direction in regular cycles.
- alternative history — a genre of fiction in which the author speculates on how the course of history might have been altered if a particular historical event had had a different outcome
- alternative society — a society or social group that espouses values different from those of the established social order.
- american directoire — a style of American furniture making and related crafts from c1805 to c1815, corresponding to the French Directoire and English Regency styles.
- american revolution — a sequence of actions by American colonists from 1763 to 1775 protesting British domination and culminating in the Revolutionary War
- american smoke tree — a small tree, Cotinus obovatus, of the cashew family, of the central southern U.S., having yellowish flowers and clusters of fleshy fruit with silky plumes.
- ammonium binoxalate — a colorless, crystalline, water-soluble, poisonous solid, C 2 H 5 NO 4 ⋅H 2 O, used chiefly for removing ink stains from fabrics.
- anaerobic digestion — the conversion of biodegradable waste matter into compost in the absence of oxygen
- analytic philosophy — a 20th-cent. philosophic movement characterized by its method of analyzing concepts and statements in the light of common experience and ordinary language so as to eliminate confusions of thought and resolve many traditional philosophical problems
- analytic psychology — the system of psychology developed by C. G. Jung as a variant of psychoanalysis
- analytical geometry — the branch of geometry that uses algebraic notation and analysis to locate a geometric point in terms of a coordinate system; coordinate geometry
- anarcho-syndicalist — syndicalism.
- anatomical snuffbox — the triangular depression on the back of the hand between the thumb and the index finger
- angioneurotic edema — swelling that occurs just beneath the surface of the skin or mucous membranes.
- angle of reflection — the angle that a beam of reflected radiation makes with the normal to a surface at the point of reflection
- angle of refraction — the angle that a refracted beam of radiation makes with the normal to the surface between two media at the point of refraction
- anno urbis conditae — in a (specified) year from the founding of the city: the ancient Romans reckoned dates from Rome's founding, c. 753 b.c.
- anterograde amnesia — amnesia caused by brain damage in which the memory loss relates to events occurring after the damage
- anthropic principle — the cosmological theory that the presence of life in the universe limits the ways in which the very early universe could have evolved
- anthropocentrically — regarding the human being as the central fact of the universe.
- anthropomorphically — ascribing human form or attributes to a being or thing not human, especially to a deity.
- anti-comintern pact — a pact formed in 1936, based on agreements between Germany and Japan to oppose communism and the Third International: Italy and Spain subsequently became signatories.
- anti-prohibitionist — a person who favors or advocates prohibition.
- anti-vivisectionist — a person who opposes vivisection.
- anticholinesterases — Plural form of anticholinesterase.
- anticipatory breach — a declaration by one party to a contract that it does not intend to fulfil its obligations to the second party, who can then accept this declaration and choose not to be bound by the contract
- anticompetitiveness — The quality of being anticompetitive.
- antimony trisulfide — a black or orange-red crystalline compound, Sb2S3, used as a pigment, in pyrotechnics and matches, for fireproofing fabrics and paper, etc.
- antoine louis barye — Antoine Louis [ahn-twan lwee] /ɑ̃ˈtwan lwi/ (Show IPA), 1795–1875, French sculptor and painter.
- appetitive behavior — activity that increases the likelihood of satisfying a specific need, as restless searching for food by a hungry predator (distinguished from consummatory behavior).
- application program — a computer program that is written and designed for a specific need or purpose
- application testing — system testing
- appointment viewing — the practice of setting time aside to watch particular television programmes
- appointments bureau — an office responsible for filling appointments
- aqueduct of sylvius — a canal in the midbrain, connecting the third and fourth ventricles of the brain.
- arbitration service — a service which provides an impartial referee to settle disputes
- arecibo observatory — an observatory in Puerto Rico at which the world's largest dish radio telescope (diameter 305 m) is situated. It is operated by the National Astronomy and Ionosphere Center
- aristotle's lantern — a complex arrangement of muscles and calcareous teeth and plates forming an eversible organ in most echinoids, functioning in mastication.
- armed response unit — (in Britain) a unit of police officers who are trained to use firearms in situations where unarmed police officers would be in danger
- armillaria root rot — a widespread rot caused by the honey mushroom, Armillariella mellea, seriously damaging to the roots of various hardwoods, conifers, and other trees.
- aromatase inhibitor — any of a class of drugs that inhibit the action of aromatase: used in the treatment of breast and ovarian cancer
- arsenic trichloride — a colorless or yellow, oily, poisonous liquid, AsCl 3 , used chiefly as an intermediate in the manufacture of organic arsenicals.
- artemis microkernel — (operating system) A microkernel currently under development by Dave Hudson <[email protected]>, scheduled for release under GPL in May 1995. It is targeted at embedded applications on Intel 80386, Intel 486 and Pentium based systems.
- as old as the hills — very old
- as sick as a parrot — If you say that you feel as sick as a parrot, you feel very disappointed about something.
- as things/people go — You use expressions like as things go or as children go when you are describing one person or thing and comparing them with others of the same kind.
- ask for a signature — If you ask for a signature, you ask someone to write their name, in their own characteristic way, on a document.
- assistant professor — An assistant professor is a college teacher who ranks above an instructor but below an associate professor.
- associate professor — An associate professor is a college teacher who ranks above an assistant professor but below a professor.